Omooo, this is just life my brother. People can be so so unfair and they don't even see anything wrong with their actions. Imagine someone you ate, stayed and do things together with.
People can be cruel, Las Las, that guy he connected to do the job might not even appreciate him enough the way you would have. That's bye gone and I'm glad you learnt from the experience. Cutting him off was the best decision ever, he doesn't worth being called a friend.