Object (the object of a sentence)= مفعول

Subject (Subject of a sentence) = فاعل

Grammar 2

Object (the object of a sentence)= هدف

Direct Object = مفعول مستقیم

Indirect Object = مفعول غیر مستقیم

Subject (Subject of a sentence) = موضوع

subject= فاعل

others are correct

"Subject" usually means موضوع. In grammar, however, we usually call it فاعل. It is an Arabic word which means someone who do something.