Dreams involving feelings of humiliation, searching for others, and sudden disappearance often reflect underlying emotions and situations in your waking life.

1. Humiliation and Bad Smell: This could represent feelings of shame or insecurity. The bad smell might symbolize something unpleasant in your life that you're trying to avoid or that others are pointing out. It could be a fear of judgment or criticism from those around you.
2. Trip and Disappearance: Going on a trip in dreams often signifies a journey or transition in your life. The sudden disappearance of others could suggest feelings of isolation or abandonment. This may indicate you’re going through a time where you feel disconnected from friends or family.
3. Searching for Others: Your desire to help others find the missing people indicates your caring nature and willingness to support those in need. This might reflect your desire to reconnect with others or address feelings of loss or separation.

Overall, this dream may be urging you to confront feelings of insecurity or isolation in your life. Consider reflecting on your relationships and whether there are any unresolved issues or emotions you need to address. It might also be a call to reach out to those you care about to strengthen your connections.