Todavía is the Spanish word for still as in "are you still here?"
Porque estas todavia aqui?
"He's still here" and "She's still here" are English equivalents of the Spanish phrase Está aquí todavía. The pronunciation of the present indicative phrase in the third person singular (also the second person formal singular as "You're still here") -- will be "ey-STA-kee TO-tha-VEE-a" in Spanish.
St.Augustine. the walls are still here to this day
"Who is here?" is "¿Quién está aquí?" in Spanish.
There are many: intonation, pronunciation, vocabulary; nonetheless it's still understandable. The space here would not be enough to mention such differences within Spanish varieties.
here: aquí
"Who works here" in Spanish would be "¿Quién trabaja aquí?"
"I'm here" in Spanish is "Estoy aquí".
The Spanish say it more politely: "Ven aqui", which means "come here". There is no direct Spanish translation for, "Get your butt over here".
no in Spanish is still no
In Spanish you say, destinado Here is a very helpful website, where you can translate words from English to Spanish, or Spanish to English. Here is then name of it, SpanishDict.com