Understanding Emotional Cues in Stage Directions

In the world of theater, stage directions are essential as they provide insight into the characters' physical movements, emotional states, and the dynamics of the scene. Consider a scenario where a character is described as 'entering the room cautiously, glancing over their shoulder.' This specific direction implies a level of apprehension or fear. Based on this, answer the following question:

What does this stage direction most clearly suggest about the character's emotional state?