The most common and most likely answer to this crossword clue is the 8 letter word NAMESAKE
I've seen this crossword clue in The Daily Telegraph
N
A
M
E
S
A
K
E
More clues leading to the result NAMESAKE
- Seek a man out who may be confused with another?
- Seek a man out. One with familiar calling?
- Joint titleholder
- Poor Sam A. Keen and his double?
- Seek a man out who’s confused with someone else
- One having the same calling
- Possibly seek a man – of the same denomination?
- Makes an idiotic error, initially, supplying homonym
- Desperately seek a man, e.g. one from Five Guys Named Moe?
- One called after another select Oriental drink
Buddy explains!

The straight part
We know that "One called after another" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one called after another = namesake.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NAMESAKE mean?
NAMESAKE noun- One who is named after another or for whom another is named.
- (by extension) A ship or a building that is named after someone or something.
- A person with the same name as another.
- To name (somebody) after somebody else.