A person with whom one cohabits in a sexual relationship .
同居人:与之因性关系而同居的人。
A daughter colleague who cohabits is seducing me like this honest .
一起同居的女同事这么勾引我实在。
Article 259 whoever knowingly cohabits with or marries a person who is the spouse of an active serviceman shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention .