'kind'
They would take leaflets, food and drink supplies and maybe a bible....
A pilgrimage is a religious journey, and people would often times, and they still do, go on a pilgrimage to hopefully become more religious, to connect with their god(s). Or they might do it to prove their loyalty to their religion.
rome
Because of love and faith one is compelled to go on a pilgrimage.
people go on pilgrims so that their sins would be forgiven. if you want to read a poem about pilgrims then I suggest The Canterbury Tales!
israel (jerusalem)
People go on a pilgrimage to Mount Everest because they believe that being the tallest mountain in the world it is closer to their gods.
A follower of Islam may make a pilgrimage to Mecca, Saudi Arabia.
Elvis Presley comes from the Graceland mansion. For many people Elvis has a mythical status, thus as some people make a pilgrimage to Mekka, others go to Graceland.
Muslims
They are called "Pilgrims".
it depends
The most common pilgrimage is taken by Muslims; the Hajj, a pilgrimage to Mecca.