The roles that are hard to define are the most interesting, often to others as well. Just practice a few different responses to "so what do you do?" that come from a few different contexts. The definition of self is fully embedded in your answers.
"I run a team of hackers. Did your power go out last night for 10 minutes? That was us."
"I sell hemorrhoid cream."
"I'm a small business owner. We make teledildonics."
To this day, nobody has ever asked me what "teledildonics" is. Either they already know or they don't care.
somewhat tongue in cheek
Probably best to not look at the self too much, down that way lie essays about alienation of labor.
"I make rich people poorer" is kinda a fun reframing of "I make stuff that gets thrown away without ever doing any good."