The word "tsotsi" is of South African origin and is commonly used to refer to a young delinquent or petty criminal. However, there are several synonyms for this word that one can use to describe such individuals. One such synonym is "skelm," which is a slang term used to describe a person who is deceitful or dishonest. Another synonym is "hooligan," which is used to describe someone who engages in rowdy, disorderly behavior. "Rogue," "rascal," and "miscreant" are other synonyms that can be used to describe a tsotsi. Ultimately, the choice of synonym will depend on the specific context in which it is being used.