Basically, it's someone who takes advantage of cheap labor in Bangladesh to make his shirts & ties rather than make them in the US, and imports cheap labor from Mexico to work in his hotels & resorts, rather than hire US nationals.
Above all Trump is a confidence man who will say whatever he needs to to gain people's confidence; whether to issue him credit at junk bond status, to not call those loans and personally bankrupt him after he mismanaged his casinos, to get a reality TV show, or get votes.