vulnerable

adjective4

1. •
   likely to suffer harm or attack because of having little protection, in body or mind

   • You are vulnerable to be bullied by someone at school.
2. •
   More likely to be exposed to malicious programs or viruses.
3. •
   Open to disclosing one's inner thoughts and feelings, acting in spite of one's instinct to self-preservation.

   • It's okay to get vulnerable every now and again.
4. •
   at moderate risk of extinction though not quite endangered.

   • Welsh is merely a vulnerable language, but Irish and Scottish Gaelic are definitely endangered.