you need the stress pronoun "lui" here. Even in English you would say: "Marie and HIM" which is the English version of a stress pronoun.
-- Chris (not a native speaker).
Bonjour Shruti !
While in English, you could nowadays use colloquially either he or him in subject groups, in French, you can only use the stress pronoun lui.
See our related lesson:https://french.kwiziq.com/revision/grammar/how-disjunctive-stress-pronouns-are-used-in-both-compound-subjects-and-objects-unlike-english
Bonne journée !
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