[Hostage]

Both.

SEDITION
An overt subversive act which leads to incitement against status quo or authority or order. It is a challenge to the establishment.

TREASON.
Betrayal of trust or faith; treachery. violation of the allegiance owed to one’s sovereign or state; betrayal of one’s country.

[palmer]

Not correct. You have to prosecute with the criminal statute, not the dictionary definition. Even sedition is a stretch. Read both here: https://www.law.cornell.edu/uscode/text/18/part-I/chapter-115