If franklin treats an individual differently than he normally would because of characteristics the individual shares with a certain group, then franklin is

I believe the answer is: engaging in prejudice, discrimination, and stereotyping

All of the actions above usually given to other people when we feel that their characteristics (such as gender, race, or cultures) are somehow inferior than our own. This sense of superiority in the end would affect our treatment toward them because we feel that they're not in an equal standing.

They went to leyden, holland

Everyone’s hair grows differently.