1. Work tasks are gradually reduced: the leader may gradually reduce your work tasks or assign your work to others, which may be one of the signals that they are considering firing you.

2. Being criticized for your work performance: The leaders may start criticizing your work performance, even criticizing every detail of you, which may be that they are preparing to fire you.

3. Accept unfair treatment: leaders may assign or enforce tasks that are worse or unfair than others, or refuse to give you job opportunities or training opportunities, which may be one of the signals that they try to pressure you to leave.

4. Ignore your opinions and suggestions: Leaders may start to ignore your opinions and suggestions, stop communicating with you or let you participate in important decisions, which may be one of the signals that they try to exclude you from the company.

5. Accept negative feedback: The leader may start to give you negative feedback and not give you the opportunity to continue to improve. This may be one of the signals they want to convey to you, and you are not welcome in the company.

In a word, these signals don't necessarily mean that you must be fired, but if you find yourself in this situation, you'd better communicate with the leader in time and try to improve your work performance to prevent more serious consequences.