Why this is in Meta section? move this thread to service discussion section.
AFAIK some campaign managers do paid the participants in such case, but since each campaign manager has different opinion and perspective, then it's up to the campaign manager.
Remember: Always read the rules carefully on the campaign announcement page, before you apply for any signature campaign.
He do read the rules carefully because he wore the avatar until the week ended, can you pointed out is there any rule "jumping into other campaign will result no payment regardless the cycle end or not"?