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(adv) Used to describe a lifestyle that someone lives to please and glorify God; a new way of living that requires a change in habits and attitude; living right so that Christ's death was not in vain, but so someone could be saved from their sins.
Look at that guy, he lives 4 Christ.

Wow, she used to club all the time, but now she lives 4 Christ.
by Jamal L. Winston March 26, 2011