He 'devoted' [='dedicated'] his life/time 'to' helping the poor. = He 'devoted himself to' helping the poor. [=he used his time, energy, etc., to help the poor]
The author's 'devoted' [='loyal, faithful'] readers have been eagerly waiting for the new book.
Some of the money they raise will be 'devoted to' repairing the church's roof.
(..) I'm afraid. It was. I-- humor isn't my strength. That's because st jokes are lies and you're devoted to the truth. If they're lies, my lady, aren't they best avoided? Not always. Most of these powders (..)2014 TvShow: Game of Thrones Title: Mockingbird Season: 4 Episode 7