noun
dolt
DOHLT/dəʊlt/
A stupid or foolish person.
The dolt saws through the branch that supports his own weight.

Etymology
Dolt may come from Middle English dold, “dull, foolish,” influenced by forms of dullen, “to make or become dazed or stupid.” This proposed origin connects the insult with mental dullness.
In context
for a dolt like me is not bound to see into the thoughts and plots
More examples
- Don't call him a dolt just because he asks questions.
- Only a dolt would ignore such a clear warning.
- The comedy follows two lovable dolts on a disastrous road trip.
Forms
dolt · dolts
doltish adjective — Showing a lack of intelligence or judgment.