They are steadying her. Keeping her from falling.
Like I do for my 85 year old mother-in-law.
That black guy is with her everywhere.....so take note and let e know if you see photos of him along the way with her.
I’ve seen several where he’s actually sitting with her....he’s just too out of shape for SS....and e gets too close to her....
Here’s the video of his recent intervention....forget looking at her and focus on when he enters...how he touches her hand breaking her zoning out, tells her she’ll be okay...then proceeds to keep the security team at a distance from her....
this is not the normal conduct of SS...
https://www.youtube.com/watch?v=119AmkkXAR4
If you compare Hillary’s (fight or flight zoning out) and how the SS handled the situation...to Trumps (Fight mode) and his SS team coming up tight and close....which is exactly as they’re trained to do...there’s quite a difference.