Fearful is something you feel during a dangerous situation,

Fearful sometimes can lead you to be defensive,

Fearful can be threatening depending on the way you take it,

Fearful can put you in a safety situation depending on the situation,

Fearful could be deadly to the situation,

Fearful could be described as problematic,

Fearful can lead to something being defective,

Fearful can be risking something or someone for the right of things.