Some men are turning into petty bitch

I’m beginning to dislike this co-worker. He is selfish, good in ‘tai chi’ and I’m surprise that he even play politics since men seldom play this game.

Eg. 1 of him ‘tai chi-ing’
Currently he handles 1 main project which is to oversee the renovation of outlets. And recently boss gave him another project to handle for yr end. He did not even touch a single thing on the 2nd project citing that the 1st project takes up too much time. His 1st project is actually very simple. Basically dealing with renovators, approving artwork (in this case I will be involved as well). So the boss decides to pass the 2nd project for me to handle. Currently I have 2 main project to handle and at the same time a few minor one.

Eg 2 of him being selfish
He liaise with 1 particular customer very regularly due to the renovation of their outlets. Thus, he will go to see them to so-called get their approval. Whatever info that has been transpired never reach me.

Eg 3 of him being selfish
Whenever the sales person ask him to do something, he will always says that he is busy and will put it off until one of the salesman was questioned by the GM.

Eg 4 of him being selfish
There’s one time I’m not sure how to go about doing a task, so I asked him how. He replied me that he doesn’t know but the next thing you know he has done it.