The term "artless one" refers to a person who is lacking in skill or talent in a particular area, usually in the realm of the arts. Synonyms for this term include "amateur," "novice," "beginner," "neophyte," "rookie," and "greenhorn." These words are often used to describe someone who is just starting out in a field and has not yet developed the expertise or experience required to be considered a professional. While these words might carry a negative connotation, they can also be interpreted in a positive light, highlighting a person's enthusiasm and willingness to learn and grow in their chosen field.