I once met a woman who,having been left with a fortune, said that she would never feel free till she had got rid her property. Possessions, she maintained, made one a slave, and one became their servant and not their master.


The underlined "and" is acceptable here? I feel it should be a "comma" like, "became their servant, not their master".
'And' is OK there; it is another way of presenting the meaning a comma would.
Thank you so much, Mister Micawber!!