SLightly confused

[greenstuff777]

So can I or can I not charge out of a rhino that has not moved.

[Lerra]

You can't disembark and charge out of a rhino in the same turn, regardless of whether or not it's moved. You can only disembark and then assault out of open-topped or assault vehicles like a land raider.

[Melon-neko]

So can I or can I not charge out of a rhino that has not moved.

you cannot.

Page 79 under Disembarkation Restrictions