Final answer:
The character Foster in the book Andrew Foster Book feels lucky due to his experiences, support from others, and his work in fighting for the cause of emancipation.
Step-by-step explanation:
In the book Andrew Foster Book, the character Foster feels he is a lucky person for several reasons. Firstly, Foster believes that his experiences and sufferings have made him a stronger and more virtuous individual, and he feels fortunate to have had the opportunity to fight for the cause of negro emancipation and universal liberty. Secondly, Foster is grateful for the support and sympathy he has received from his friends and acquaintances. Lastly, Foster views his work in enlightening others on the subject of slavery and his dedication to breaking the chains of oppression as a stroke of good fortune that has given him a sense of purpose and fulfillment.