who told you im not with him

Who told you I'm not with him?
Kilè ki di'w mwen pa avèk li?
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

HOW DO SAY HAPPY BIRTHDAY FRIEND AND MANY MORE

Bòn anivèsè zanmi. → Happy birthday friend
Mwen espere ou va gen plizyè lòt ankò. → I hope you'll have many more
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

How do you introduce someone in Creole? Such as "this is my friend mary, mary, this is joe"

Sa se madanm mwen. (This is my wife)
Sa se papa'm. (This is my Dad)
Sa se zanmi mwen, Mary. (This is my friend Mary)
Sa se frè mwen, Ernest. (This is my brother Ernest)

Mary, sa se Joe. (Mary, this is Joe)
Manman, sa se menaj mwen Rachel. (Mom, this is my girlfriend Rachel)

Mwen kontan rekonèt ou.
Se yon plezi pou m fè konesans ou.
I am pleased to meet you.

Mwen kontan rekonèt ou tou.
I am pleased to meet you too.

Mwen menm tou, mwen kontan rekonèt ou.

Me too, I'm pleased to meet you.

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Is this ok? Would you like to have lunch with Matt and myself today? Eske ou ta renmen manje avek Matt ak mwen midi sa a?

Yes, this would work.
and you could also add "a" before "midi"
Eske ou ta renmen manje avèk Matt ak mwen a midi sa a.?
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Is there a difference between 'pral' and 'prale' in Kreyol? How do I know which is correct?

Pral is a shortened form of prale

So you can say:

Nou pral manje or Nou prale manje

Mwen pral nan fèt la pita or Mwen prale nan fèt la pita

Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Ou pale kreyol rek. What is kreyol rek? Is it different than the Creole I usually hear? Is it Haitian Creole?

Kreyòl rèk is just a raw Creole where, sometimes, there's no softening up the words with French.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

is nèg kannay ak granmoun kannay the same expression?

In the sense that they're both after the same thing.... yes.
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pa gen moun ki ta renmen soufri, tout moun ta vle viv alez.

Pa gen moun ki ta renmen soufri, tout moun ta vle viv alèz.
No one wants to suffer, everyone wants to live comfortably.

Nenpòt moun ta kapab panse pawòl sa a se laverite, men mwen panse gen moun se soufrans ki fè yo santi yo vivan, se soufrans ki fè yo fonksyonen, se soufrans ki mete wou nan pye yo pou fè yo mache, se soufrans ki ba yo detèminasyon.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

ti baum (te ti bonm?)

I am not sure what the English name for this plant is.  The tea from this plant is good for stomach cramps, indigestion and other things.  You might want to look it up under the French name Petit Baume.  If you know what the leaves look like, you might be able to compare them with what you find on the net.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Yo di si yon fanm ansent ki prèt pou akouche manje anpil gonbo l'ap gen bon akouchman, enpi pitit la va sòti alèz alèz. Doktè pap menm bezwen ba li renmèd pou pitit la ka soti. Eske se laverite?

Kesyon sa a pa pou mwen paske mwen pa konnen si se laverite ou pa.
Sa ou di a sanble ak menm pawòl osijè bètwouj la.  Yo di tou, si ou manje anpil bètwouj kò ou ap fòtifye ak san.  Mwen panse se yon doktè fèy ki pou ta reponn kesyon sila.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

Konbyen kalte mango ki gen nan peyi d'Haiti?

Mwen byen kwè gen omwens yon santèn kalite mango nan peyi Ayiti.  Mwen pa abitye ak yo tout, men mwen kapab ba ou yon lis sa mwen wè e manje deja.: mango kòn, mango fransik, mango blan, mango lèt, mango fil, mango kakapoul, mango miske, mango mariwoz, mango kannèl, mango labich, mango batis, mango janmari, etc...
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words

how do I say "I pray God will protect you from...."

I pray God will protect you from all danger.
Mwen priye Bondye va pwoteje nan tout malè.

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Pwovèb 7:18 "Vini non! Ann al damou jouk li jou. Annou pran plezi nou. Ann fè doudous jouk nou sou." Does that sound correct to you... especially that last part?

I checked my English bibles. (I don't have my Creole bible at this time), it seems correct.
The last part (in Creole) says Let's enjoy ourselves until we're drunk, But that verse is translated as a whole here. It probably will not compare, word to word, with your English bible.
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Does the creole word "andire" have a meaning other than "to endure"?

It might also mean it seems that, it looks like

Andire madanm sa ansent.
It seems that this woman is pregnant.
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sak nan ke yanm se kouto ki konnen'l

Wi.  Kouto gen privilèj sa a, paske li antre fon nan kè yanm.
Ah!  Ala mwen swete mwen ta yon kouto pou'm pèse kè tout yanm :)
Mwen pa konnen si tout konesans sa a ta fè lavi'm miyò oubyen tris.
Haitian Creole ↔ English Reference, Look up Haitian Creole and English Words