The phrase "least of all" is used to emphasize that something is at the bottom of a list or is the least likely to be true or important in a particular situation. When we say "least of all," we are often referring to a specific person or thing that is the least likely to agree, be involved, or be affected.
"Least of all" is a phrase that helps emphasize that a particular person or thing is the least likely to be included in a situation or to agree with something. It is used to make a strong point, especially in negative contexts.