In Narrarive Declaration’s Kingmaker 2e actual play campaign, their necromancer invites people to sign contracts to be brought back as thralls after they die, because informed concent is leagues better than doing it without concent.

Plus, he promises them health and dental.

necromancer that offers terminally ill/old or desperate people a significant stipend to their family, in return for being painlessly killed and brought back as an undead servant.
and because it’s good free PR, the necromantic thralls get to visit their family (or just pen letters if on campaign) during downtime.

They’re not empathetic or anything, they just don’t have any desire to actively harm normal people and recognize that being at least mostly tolerated makes everything easier.

Dead is dead, parts is parts, dead guys is parts.

Why kill them? Why not just have an option to donate your body to necromancy?

necromantic assistance in death is dignified. people don’t need to linger as their minds and bodies wither.

i misread that as wealth and hentai and you know what

because you want a thinking thrall, not something you have to all but manually puppet.