While a coach is a great resource and can really speed up the learning process they are not a prerequisite to taking control of your fitness. There are tons of great resources, like this community, to get you on track with your fitness. If you don’t have a workout partner and hiring a coach is not and option there are tons of great ways to get in shape. You can start easy using very light weights, use body weight exercises, join a group class or CrossFit gym, go on walks, swim, pick up a sport, etc. Most important thing is to find something you enjoy doing!