Mazldik
גליק - Glick
Mazldik is the word for lucky when used on its own, and would be inflected to indicate its use as a feminine adjective as mazldike, masculine would be mazldiker. There are other forms for other grammatical cases.
Yiddish = Yiddish (ייִדיש)
"Redstu Yiddish" is Yiddish for "Do you speak Yiddish?"
"Jewish" in Yiddish is "ייִדיש" (yidish), pronounced as "yiddish."
There is no equivalent Yiddish name for Robert. But you can spell Robert in Yiddish as ראָבערט
Yiddish is spelled as Y-I-D-D-I-S-H.
The Yiddish word for disappointed is "Ahntoisht".
In Yiddish, husband is "man."
'Brother' in Yiddish is 'bruder'.
It is the Yiddish word for a woman who is not Jewish. It is slang in English, but it is not slang in Yiddish.
In Yiddish, "steal" is "גנבן" (ganven).