Exposed

/ɪkˈspəʊzd,ɛkˈspəʊzd/

adjective

not covered or hidden; visible.

"the venue featured beautiful hardwood floors and exposed brick walls"

not sheltered or protected from the weather.

"some areas of exposed coastline could see gusts of wind of more than 80 mph"

in a vulnerable position or situation.

"the army's exposed right flank was under attack"

Nervous
/ˈnəːvəs/ easily agitated or alarmed. "a sensitive, nervous...

Threatened
/ˈθrɛtn/ state one's intention to take hostile action against...

Fearful
/ˈfɪəf(ʊ)l/ Feeling or showing fear or anxiety. "they are fearful of the...

Emotions Wheel
I have enjoyed working with the emotions I found in Plutchik, but there are so many more...