Eved is someone whose master controls his time. That is why the eved is not doing time-bund mitzvos.
Everyone who is not in full control of his time is, in that part, an eved. So, be a 1099 contractor instead of a W-2 employee whenever you can. Some halochos of dealing with employees are derived from the eved. For example, an employee, seen just as a person fulfilling certain duties, should not be quitting in the middle of the project or without an advance notice. Still, if he does, the employer should let him go anyway, as forcing someone to “do time” is making him into a slave.