A US-based user has asked me whether we can rename or alias slave-related statements, options, status variables. I believe that discussions involving slaves can be uncomfortable for some people due to the history of slavery in the U.S.
I have no idea how prevalent this feeling is, but I do know that several other software teams have done similar changes recently. For example:
https://www.drupal.org/node/2275877 - replica
If we did want to do this, then some potential replacements are: