The word suban is the present subjunctive form of subir in the third person plural. There are other translations for this conjugation.
See the full subir conjugation

subir

No suban a este escenario sin una historia, amigos.
Don't come up on this stage without a story, folks.
En la esquina superior derecha... suban y échenle un vistazo.
In the top right-hand corner... go up, and have a look.
¿Qué es peor, que los números suban o bajen?
Which is worse, if the numbers go up or down?
No dejen que esos dos suban a mi nave.
Don't let those two get on my ship.
No dejes que tus padres suban a ese avión.
Don't let your parents get on that plane.
Por favor, hagan una fila y suban a los autobuses.
Please form an orderly line and proceed to the buses.
Las facilidades para que los usuarios suban su propio material.
Facilities for users to upload their own material.
Es por eso que necesitamos que suban a un tren hoy.
That's why we need them on a train today.
Ahora, toma a tus hermanos y suban a su cuarto nuevo.
Now, get your brothers and come up to your new room.
Muy bien, suban y pónganse en sus posiciones.
All right, go ahead and get in your positions.
Cuando les dé la señal, suban al ascensor.
When I give you the signal, get into the elevator.
Ella tiene las llaves hasta que suban tus notas.
She's got the keys till your grades are up.
Quiero que Danielle y Russell lo suban al mismo tiempo.
I want danielle and russell to come up at the same time.
No podemos dejar que suban a bordo esa bomba.
We can't allow them to get that bomb onboard.
¿Realmente quieres estar aquí cuando sus amigos suban?
Do you really want to be here when his pals turn up?
Hablando de ello, ¿espera que se lo suban?
Speaking of that, do you expect to get a raise?
Bien, amigos, por favor, suban a sus autos.
Okay, folks, please, go back and get in your cars.
Cuando les dé la señal, suban al ascensor.
When I give the signal, get into the elevator.
Tengan eso en cuenta la próxima vez que suban a un pasajero.
Keep that in mind next time you pick up a fare.
Quiero esperar un poco hasta que suban los precios.
I want to wait a while, until the prices go up.
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