What is an average life expectancy of a rooster? email me ppkokie@windstream.net with the answer please?

i have a rooster that kinda found me. i have been feeding him and taking care of him. i would like to know what his life expectancy is for him. can you please answer me at ppkokie@windstream.net thank you for all your help in this matter|||why don't you join the community? Then we might start answering your questions.