hoppus worked for the abolition of slavery. he chaired the board of congregational ministers in 1830 when it passed the following anti-slavery resolution: "that it is the fixed a unanimous opinion of this meeting that of all the rights common to man, those of the person are the most sacred and inviolable; that therefore a state of slavery is a positive, entire, and extreme evil, the nature of which cannot be altered by any meliorating circumstances; that it is, in its mildest forms, destructive of human life, social intercourse, moral character, and intellectual advancement... that this body have always sympathised with the exertions made to abate and abolish this enormous evil..."