They were using him to get to Katniss and then they were planning to kill him.
Peeta loves Katniss for real, and wants to protect her. If the careers knew about Katniss' skills, it would be easier for them to know her weaknesses and/or how to kill her. Peeta wants to keep Katniss alive without getting himself killed.
They want to use him to lead them to Katniss and find out the secret of her high score from him.
Peeta
In the beginning of the games, Peeta joins the careers in order to keep Katniss safe. This way her could lie to them about where he thinks she might be hiding and what her strengths/weaknesses are.
The Careers call Peeta "Lover Boy".
They were using him to get to Katniss and then they were planning to kill him.
Peeta loves Katniss for real, and wants to protect her. If the careers knew about Katniss' skills, it would be easier for them to know her weaknesses and/or how to kill her. Peeta wants to keep Katniss alive without getting himself killed.
They want to use him to lead them to Katniss and find out the secret of her high score from him.
Peeta
In the beginning of the games, Peeta joins the careers in order to keep Katniss safe. This way her could lie to them about where he thinks she might be hiding and what her strengths/weaknesses are.
Well, a District 3 boy is seen guarding the camp in the scene where Katniss shoots the apples, but Peeta Mellark is the first tribute from a different district to be allowed into the Career pack. It is later revealed that Peeta never trusted or liked the Career tributes, and clearly only joined the Careers to stay alive.
The final tributes are:KatnessPeetaTreshCatoClove" Foxface"
While in the Games, Peeta appears to align with the Careers.
Peeta pretended to help Cato and the other career tributes, because if he wasn't their friend they would have killed him.
Katniss finds Peeta near a stream, camouflaged in the ground.
That Peeta has teamed up with the Careers and is helping them find her and kill her.