you couldn’t beat the church gig

[meliss]

"Long ago, Patriarch had quit believing in the hereafter altogether. He admitted to himself he was a fraud. However, you couldn’t beat the church gig."
Does it mean "you can't quit the church job?
Thank you.

 

[bhaisahab]

"Long ago, Patriarch had quit believing in the hereafter altogether. He admitted to himself he was a fraud. However, you couldn’t beat the church gig."
Does it mean "you can't quit the church job?
Thank you.

It means that there is no better job.