Dreaming about someone who has passed away, especially in a tragic manner, can evoke strong emotions and may signify various things. In your dream, the deceased person offering to take you somewhere could represent a desire for guidance or support in your life. This person may symbolize unresolved feelings or unfinished business related to their passing.
The delay in him taking you could suggest feelings of uncertainty or hesitation in your own life, perhaps regarding a decision you need to make or a direction you want to take. It may also reflect your subconscious processing the loss and the impact it has had on you.
Consider reflecting on your current life situation and any feelings of grief or confusion you might be experiencing. It may be helpful to talk to someone about your feelings or to engage in activities that honor the memory of the person you dreamed about. This can aid in your healing process.