"Variant of Yasir"
The name Yassir is commonly a male name from the "Ukrainian" origin.
Yassir is an English spelling of the Arabic name Yasir, written ياسر in Arabic; the doubled s follows a transliteration pattern also seen in Yasser. The name belongs to the Arabic root y-s-r, which carries the sense of ease and, in the related form yasar, of wealth or affluence.
Yasir means "Rich".
The pronunciation of Yassir is YAH-seer.