A teacher & prayer leader of a mosque.

The word imam is an Arabic work that means “leader.” Depending on the usage of the word and whether or not it is written with a capital “I”, the word can hold many different meanings and connotations.

From Webster Dictionary:
1 : the prayer leader of a mosque
2 : a Muslim leader of the line of Ali held by Shiites to be the divinely appointed, sinless, infallible successors of Muhammad
3 : any of various rulers that claim descent from Muhammad and exercise spiritual and temporal leadership over a Muslim region

A prophet or mentor to young males. Typically a male a few years older than the youth he mentors. Usually, he has his own place, a "real job" and a live-in girlfreind.

I dont fucking know

When a person is speaking and they raise their index finger (usually the right one) to emphasize the point they are making in an aggrandizing manner.

Ali ibn Abi Talib was a cousin and son-in-law of the Islamic prophet Muhammad, who ruled as the fourth caliph from 656 until his assassination in 661. He is one of the central figures in Shia Islam and is regarded as the rightful immediate successor to Muhammad as an Imam by Shia Muslims.

The twelfth Imam is cited as a possible Muslim Antichrist who will appear during Armageddon (the end of days).