Perhaps knowledgeable, experienced, capable - but not necessarily more valuable. The value is very much based on what a person does, where they do it, who they

Perhaps knowledgeable, experienced, capable - but not necessarily more valuable. The value is very much based on what a person does, where they do it, who they do it for, and when they do it. All those other factors will usually outweigh modest personal growth. Lame example: being a better typewriter repair person today, working in a barbershop. No matter how well that person does their job, they may not add more value this year than last.