Ritual immersion in a mikvah (sometimes translated as mikveh), a gathering of living water (mayyim hayyim), marks a change in status. People immerse at a mikvah to celebrate moments of joy, to heal after times of sorrow or illness, or to commemorate transitions and changes.
There are many reasons a person might consider conversion to Judaism. Men and women who are seeking sacred meaning in their lives may find that Judaism speaks to their need for spiritual connection and community.
Now Korach, son of Izhar son of Kohath son of Levi, betook himself, along with Dathan and Abiram sons of Eliab, and On son of Peleth--decendants of Reuben--to rise up against Moses, ... - Numbers 16:1-2