Succeeding him as head of the movement , Moada , an Arab nationalist , ousted liberals led by MDS secretary-general Mustapha Ben Jaafar in 1993 .
<response> Succeeding him as head of the movement , <person>Moada</person> , an <misc>Arab</misc> nationalist , ousted liberals led by <organization>MDS</organization> secretary-general <person>Mustapha Ben Jaafar</person> in 1993 . </response>