1.
to help sb by taking sth heavy or difficult from them :
Let me relieve you of some of your bags.
The new secretary will relieve us of some of the paperwork.
2.
( informal , ironic ) to steal sth from sb :
A boy with a knife relieved him of his wallet.
3.
to dismiss sb from a job, position, etc. :
General Beale was relieved of his command.