Peut-on utiliser « ce » dans cette phrase?
How would one use “ce qui” differently as compared to “ceux qui”, “celui qui”, etc.?
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« Ce » is only used for objects and sometimes for non-human living creatures (depends of the relation you have with it). It's a little bit like « it » in English. In fact, most of the times, if you would refer to something as « it », use « ce » instead of « celui », « celle », « ceux », ...
In your case, « ce qui » means « the thing that », but « ceux qui » means « those who ». It has a perfectly similar meaning, except that the subject is once « it » and once « they ».
For somebody, we would use celui qui (masc) / celle qui (fem) / ceux qui (plur) instead: