[quote=Andae]
Yes, Summoners, Vampires, Juggernauts and Wraiths can NOT have another role.HOWEVER, in the case of a summoner, they can have (Technically) three different roles, giving each of their Eidolon's a different Role.
[/quote]

No, I meant as in, can they use abilities on their own, or do they rely solely on summons?