Add a comma after spread (compound sentence).
A wizard decides to break the rules and use his magic in the human world to help the poor and less fortunate. Word starts to spread, and he begins to attract a lot of unwanted attention.
I dislike the implication that wizard and human are mutually exclusive terms. Are wizards a separate species in this setting? How strange — wizard usually just refers to an occupation. An author has the right to make up anything they want for a work of fiction, but a reader has the right to object to anything that lacks at least some vague explanation in the worldbuilding to back it up. Perhaps this is merely a case of a writer choosing their words poorly, though.