Underline the Errors in the Following Paragraph

Underline the errors in the following paragraph. Then correct the errors by rewriting the paragraph.
-everyone can be a fireman. A firefighter has to be in excellent shape. He needs to be able to lift heavy objects and run quickly. He shouldn't be afraid of heights or afraid to take necessary risks. If a firefighter freezes when someone needs help, then a life might be lost. A firefighter also needs to be a responsible individual. They have to take care of his or her equipment as well as maintain the fire truck and the firehouse. Although not a necessarily requirement, all firefighters tend to be excellent cooks and have his or her own special recipes. All in all, firefighters are strong and courageous people, and the community is lucky to have him.