One who flounders about blindly in his work; a blind or stupid worker. Obsolete.

a blunderer.

A person who performs a task badly, or produces poor or clumsy work; an unskilful worker; an incompetent maker or deviser (of a thing); a bungler…

A person who does something in a confused, blundering, or ineffectual way; an incompetent person, a bungler.

One who bungles; a clumsy unskilful worker.

A clumsy or awkward person; a bungler. Obsolete (in later use English regional).

Probably either: a blundering or incompetent person; = bumbler, n.1; (or) a lazy, feckless person; = bummill baty, n.

figurative. (esp. qualified by poor or the like.) An unskilful workman; a shiftless person. slang or dialect.

colloquial (originally U.S. Military slang). A person who (habitually) makes a mess of things; an incompetent or bungling person.

colloquial (originally U.S. Military). A person who (habitually) makes a mess of things; an incompetent person, a blunderer; a maladjusted…

Originally U.S. Military. A person who (habitually) makes a mess of things; an incompetent person, a blunderer; a maladjusted person, a misfit.

Chiefly in political contexts: a situation that has been comprehensively mismanaged, or is characterized by a series of blunders and miscalculations…