Weird translations... I miss him => Il me manque. He misses me => Je lui manque. Passive forms aren't used. However you may use the quite old-fashioned "lang

Weird translations... I miss him => Il me manque. He misses me => Je lui manque. Passive forms aren't used. However you may use the quite old-fashioned "languir" as an alternative form: I am missed by him => Il se languit de moi. He is missed by me => Je me languit de lui.