From the Lindow Man's life story, we can learn about the social and cultural aspects of the Iron Age. His discovery in a peat bog implies certain burial or disposal practices. His remains can also tell us about the clothing and adornments they used. Moreover, we can understand more about the environment and living conditions as his body was preserved in a natural setting which can give us information about the local ecology during that time.
We can learn about the Iron Age lifestyle. For example, we can infer their diet from his remains.