The phrase "lowest position" refers to the least prestigious or important place or role one can have in a particular situation or hierarchy. Full definition
These effects occurred even for individuals in lower positions in the hierarchy. (sciencedaily.com)
Thus extra achievement by one student not only raises his position, but in effect lowers the position of others. (educationnext.org)
If more men are in leadership roles this suggests there is a similar gap further down the pipeline, between men and women in lower positions as well as in leadership roles. (social.hays.com)