Why do you feel obliged ? Is it permission, or paid work ? I would definitely recommend you pass it on, if your not keen,.....(theres PLENTY mole catchers, nowadays) & he has too PAY , if he wants it done right !
Im not sure and thats a good question.
I suppose he asks me to do 'a job' which coincidentally is a hobby I enjoy. When he asked me to take care of a tree rat problem, Im happily obliged, as it involved shooting, but when it comes to Moles... Its like saying 'can you build me a brick wall?" I could have a go...
I suppose Ive answered my own question. I just don