payne Hancroft

i made a group for friends and family, bc a freind gave me a parcel on his land a while back, made the group for land rights and rez n such, i left his land after a falling out, but the guy i had made owner in my group has stayd in it and not eleft the group i cant kick him as i made him owner , how can i fix that as i no longer live there or watnt him moderating my familly group?