Technically, it is as follows: - 예수님 (or 예수): Jesus ("예수" and "Jesus" are readings of the same Hebrew name). - 하나님: God as revered by the Protestant church (하나: one - so "one and only god"). - 하느님: God as revered by the Catholic church ("하느님" is a traditional word for god). - 주님: corresponds to "Lord", a loose word meaning Jesus or God. - 신: non-religious word for god, deity.

예수님 is 하나님's son. 신 means 'God'. 주님 can mean both 예수님 and 하나님 depending on a situation.

there are words of religion. 예수님 is Jesus Christ. 예수 is simply Korean writing of the name of Jesus. 님 is like Mr/Mrs 하나 means one. when it goes with 님, It shows the belief of monotheism. anyway, 하나님 is being used by Protestant. 주님 is like my master.