An active lay Lutheran and associate of Henry Melchior Muhlenberg, he donated the land on which the Lutheran church in Manheim, Pennsylvania is now built. Stiegel was also a founding member of the German Society of Pennsylvania, formed in 1764 to aid newly arrived German immigrants.
As an active Lutheran and associate of Henry Melchior Muhlenberg, he contributed land for the current Lutheran church in Manheim, Pennsylvania. Furthermore, Stiegel played a role as a co-founder of the German Society of Pennsylvania, which aimed to assist new German immigrants arriving in 1764.