I find him ....
trouve
"I teach French"
i in french
Le français est ... means "French is ..." in English.
"the French (language) club"
The French hour.
I like French and ...
(of) French le cours de français: French class
"I find my professor to be very nice."
Où se trouve le parc? in French means "Where is the park?" in English.
It is "le Francais", both for the language and for a male French person. It is "la Francaise" exclusively for a female French person.