This continues RSVP’s regular Sunday column of outstanding volunteer opportunities. Take a good look at it and see what you would like to do to add some extra joy to your life by helping others. • RSVP needs volunteers to serve as companions to seniors who are home alone during the day. These folks need a friend who will call on them from time to time and visit; maybe help with some small tasks or in some instances have lunch. • Lack of transportation is a big problem for frail seniors trying to get to medical appointments because there is …