This is the 6658th most frequent Japanese word.
ハイチ
Haiti (the country).
In this sentence, "ハイチ" refers to the country Haiti, used as the subject of the sentence.
ハイチはカリブ海にある国です。
Haiti is a country in the Caribbean Sea.
Here, "ハイチ" is used as an adjective modifying "料理", meaning Haitian cuisine.
彼はハイチ料理を試してみるのが好きです。
He likes to try Haitian cuisine.
In this case, "ハイチ" is used as a possessive modifier in the phrase "ハイチの文化", referring to Haitian culture.