I didn't know the name for those binyan conjugations came from the word for building. Hebrew speakers definitely know how to make up cool names :D
למה נפסלה תשובה: he is living in this building ?
The pronoun "אני" (pronounced "aní") means "I".
To say "He" the pronoun is "הוא" (pronounced "hu").
similar sentence (mivné): https://forum.duolingo.com/comment/27858176