How to find a model to do your shoots. If you have money then you can hire a model. But if you are a poor person then you need some skills. If you are passionate about your work then talk to people around you. Go to parties and events. You need to be social.
Teaching models to pose is easy. You need to spend few hours researching your favorite photographers and then collecting all their photos and study them. You will learn all the poses.
It is easier to find poses for skinny person as they are more flexible. Fat people can do only few poses.