"maltreated" in the verb sense
1. mistreat, maltreat, abuse, ill-use, step, ill-treat
treat badly
"This boss abuses his workers"
"She is always stepping on others to get ahead"
"maltreated" in the adjective sense
1. abused, ill-treated, maltreated, mistreated
subjected to cruel treatment
"an abused wife"
Source: WordNet® (An amazing lexical database of English)
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