"Self-Suspicious" is a word in ENGLISH

diskumpiyar v [A2] be suspicious, distrusting. Ug mudiskumpi-yar ka nákù, tagáan ta kag risíbu, Ill give you a receipt if …

To feel absence of trust in; not to confide in or rely upon; to deem of questionable sufficiency or reality; …

Apt to distrust; suspicious; mistrustful.

That distrusts; suspicious; lacking confidence in.

Not secure; not confident of safety or permanence; distrustful; suspicious; apprehensive of danger or loss.

Disposed to suspect rivalry in matters of interest and affection; apprehensive regarding the motives of possible rivals, or the fidelity …

Suspicious; inspiring distrust.