You mean "my friend", right?
If you do, you say mon copain or ma copine.
my friend = mi amigo
"Para mi amigo/a" = For my friend
ami / amie is friend in French
mi amigo
a mi amigo
"mi amigo bonito" if it's a male friend, "mi amiga bonita" if it's a female friend
You can say "ore mi" which means my dear friend in Yoruba.
mi amiga (if she is a girl) mi amigo (if he is a boy)
You would say "mi pequeño amigo" in Spanish.
"Will you be my friend?" in French is Serais-tu mon ami?.
you say goodbye in French
"mi-trimestre"