friend on hire

I am an adult. I make adult decisions and I carry myself in that responsible adult manner. I choose my meals,My pleasures and my company as an adult. there are though, those friends of course that manage to choose me, kind friends, funny friends and very influential friends. Every one of them relates differently to me, because of intellect, entertainment preferences, common interest and possibly even likeness. I am working with the assumption that "birds of a feather" which appreciates that, when one chooses mates its people who in one way or other mirror their character. But there are also people who choose to be our pals to get what they need or to be able to get into the company they see you with, not because they see themselves in this group but rather they believe there are rtain benefits the group can expose the individual to. The friend mentioned here isn't a terrible person, infact this is one that needs help to do better. Using u as a stepping stone is unfortunate but if it does more people good, and it is done with dicretion I might even go to the point of endorsing it.
Then there are friends who seek us out to feel better about themselves, for most people these friends once found out they are discarded (reasonably so) but a few of us go about life dealing with these oppressive friends (for lack of a bettter word) because we know without us survival is impossible for them, and so we learn their patterns and try to get them out of their social barbarism into the real world. I appreciate that friends aren't by no means equal (yes!) Infact every group, one way or another has a ring leader, the most influential but friends who hide their insecurities with ours need a better friendship than we generally can offer so, support is needed.
I'm however not so diplomatic when it comes to a friend who outright uses us, a friend who is always in need, a friend who sells their friendship for shopping and and car maintenance, a friend who hires out a shoulder to cry on and slaps us in the face with our problems, this friend cannot be needed because it is disappointing whenever we do. The property we use from this friend is fussed over maintened needlessly and in some cases compensation is solocited. This friend will suck you dry and pick at you bones like a vulture. There will not be hesitation to volunteer you for a resource needing project if it makes them look better. So what am I saying here? Whether you choose a friend or a friend chooses you, be very careful of what friend this is, because as it urns out every friendship can be twisted into a heavy load on our shoulder.
What about you? what kind of friend are you?