I'd imagine the catch for Devotion/Worship would be True Apathy.
That doesn't seem right to me, simply because the opposite of Lust is not Love, and the notion of Apathy as an active emotion seems strange to me. It'd have to be something like "True Understanding" or even True Love as an active, similar but counter emotion. Just like the counter to Fear is Courage (keep in mind that Courage is not the absence of fear, simply a control and direction for it).
Either way, I think that Lust actually works fine
(keep in mind that Thomas was able to feed off of his hair dressing clients even as a Raith)
(Deat Beat and onward spoilers.) Fans lust after the rock star, and he or she feeds off of them. Sheds a whole new light on the music revolution and rise of Rock and Roll during the 50s, 60s, and 70s. Suddenly has mean thoughts for his players...