Here are some possible ways to translate "A Samuel" in Spanish, depending on the context:
* Un Samuel: This is the most direct and common translation, using the masculine indefinite article "un".
* Samuel: You can simply say "Samuel" without the article if it's clear who you're referring to.
* A Samuel: If you're talking about a specific Samuel, but you don't know the definite article to use (e.g., you're talking about a specific Samuel you've heard about, but not met), you can say "A Samuel".
Example:
* "A Samuel is coming to dinner tonight." (Un Samuel viene a cenar esta noche)
It's important to consider the context to choose the best translation.