I was stereotyped as a karaoke singer
There's really nothing wrong with singing out loud. They have a loud voice that's worth listening.
Smart & good at math.
It use to be more common before but today several millennials and younger are eating less of the sticky rice here in the states.
I was stereotyped as a cruise seaman. When I was on a cruise, some of the passengers thought that I was one of the seamen.
You weren't wearing a staff uniform either.
The passengers are not probably use to seeing Filipinos on the cruise ship as tourist and/or passengers.
Passengers view Filipinos wearing with or without a uniform as cruise seamen unlike other ethnic groups.
Nursing stereotype.