I know not why Caesar would wish to speak with such a physically inferior whelp, but I will allow this one exception. You may bear Caesar's mark, but do not attempt to share any of your medicine with anyone in The Fort.
The Legionary main gate guard is guarding the main gate of The Fort in 2281.
The guard to the main gate, who makes sure that no chems are taken into the fort (as the Legion punishes their use with death), as well as disarming any non-legionary. His armor indicates that he is a prime legionary.
When approaching he'll ask the Courier to surrender any weapons, alcohol and chems prior to granting access to The Fort. The Courier can agree, in which case they'll be permitted to continue, or disagree, resulting in a last warning. At this point, any further snide remarks will result in the present Legionaries becoming hostile.