If she has been your boss before getting married to your younger brother, how will you address him in her presence. Will you run an errand on her order for your brother?. The job is high paying and secured.

Simple

Treat your younger brother as your best friend with no superiority complex because you are elder to him


I won't say a word

You look for another job unless I'm missing something.

She's only your boss in your working place, not in your family.

Resign and start looking for another job SMH

If she send me on errands in the presence of my younger brother, I will send my younger brother on the errand. No time for crap abeg

Do bosses now have rights on their staff outside of the office and out of the lines of their KPIs? If no, then there is no reason to be concerned about what is not important.