i Register
In some senses, renegade is marked as dated. Watch for register when choosing this word.
noun
An outlaw or rebel.
A disloyal person who betrays or deserts a cause, religion, political party, friend, etc.
verb
To desert one's cause, or change one's loyalties; to commit betrayal.
The recent arrangement, obtained by Lord Stratford, as to the case of a Christian renegading to Mohammedanism […]
adj
Deserting, treacherous, disloyal.
Unconventional, unorthodox.