Dreams involving animals, like your encounter with the tiger, often symbolize powerful emotions or instincts. The tiger may represent a situation or feeling in your waking life that feels threatening or aggressive, but the fact that it was behind a fence suggests that you feel some level of security or control over this threat. Your action of closing the window could indicate a desire to protect yourself from these overwhelming feelings.

The bus itself is a symbol of your journey through life, and the presence of others on the bus suggests that you may feel a sense of community or shared experiences, but also a desire for collective awareness and support, as you asked others to alert you about the tiger. This could reflect your need for help or reassurance in dealing with challenges.

The scene with the truck losing balance and crashing may symbolize unforeseen difficulties or disruptions in your life. Stopping to help could indicate your compassionate nature and willingness to assist others, even amidst chaos.

Transitioning to the home and witnessing the car regain control suggests a shift in your life where you may be trying to regain stability after a period of uncertainty. The uninvited guests may represent feelings of intrusion or unwanted influences in your life, prompting you to assert boundaries.

Overall, your dream seems to highlight themes of control, community, and navigating through challenges. It could be beneficial to reflect on any current situations that evoke similar feelings of anxiety or unpredictability, and consider how you might address them.