What is the underlying message of Mallam Sile and how is it related to the setting

The theme or underlying message in the short story Mallam Sile is that of the definition of sin and the consequences thereof.

The theme of this novel is the crime and its results.

Explanation:

Mallam Sile is a blind tea divider, he is kind, and people usually take precedence of him and his darkness, but he doesn't actually react to that. He finds a wife who is not scared to punish his ruffians, and thus restore everything that was taken from him.