Ans- The poet means that the leaves of the trees are falling and trees are becoming leafless. It shows the process of death.
Ans- In the second stanza the following words suggest death and the effect of death on human body whispering neighbors and freeze.
Ans- When a man dies hundreds of man carry the death body in a wooden coffin to the grave. This is our last journey.
Ans- Trolls runs in search of food in the leafless wood to search food for survival.
Ans- Old persons are the traveler's and they will be blessed with their last distress that is death.
Ans- Nurses' flower suggests object from nature it means nurse.
Ans- Agent/messengers of death are the whispering neighbors who visit when a man is dead.
Ans- Sufferings from diseases, occurrences and many other problem make the human life miserable.
Ans- Travelers will be blessed with the white waterfall which comes out from the head of mountain. They will be blessed with death.
Ans- The messenger of death plucks us from the real delight.
Ans- The woods are leafless. The nightingale dumb and no angle is visible anywhere. The trolls are found running and scolding for their food there. Everything seems to be freezing.
Ans- The poet says that the leaves are falling fast. They refer to the speedy arrival of old age and death. They also hint at the frustration inherent in human life.