The workers at the camps just sit around, but that's not so bad. Kurtz was greedy for ivory, but I don't think that made him so bad either. Kurtz has come to Africa with the noble idea of helping civilize the natives through the encouragement of the ivory trade. But when the natives themselves get in the way of his plans, he begins to destroy them - and thereby himself. Your response was very helpful.
HOD makes more sense now.
All they seem to do is complain. His super-ego is the Intended whom Conrad is at pains to present in a way that recalls this native woman. No one did. The natives have made him a god, and, disastrously for him, he has accepted that role. And, no, he is not going to kill himself.