La elektristo laboras post la tubisto.

The ending -isto means a person whose job, role, or regular activity is connected with something.

• elektr- = electricity

• elektristo = electrician

• tub- = pipe/tube
• tubisto = plumber

This is a very common Esperanto pattern. Once you know -isto, many job words become easier to recognize.

La is the Esperanto word for the.

So:

• la elektristo = the electrician
• la tubisto = the plumber

Unlike English, Esperanto has only one definite article: la. It does not change for gender, number, or case in normal use.

Laboras comes from the verb labori, meaning to work.

The ending -as marks the present tense:

• laboras = works / is working / does work

In Esperanto, verb endings are very regular:

• -as = present
• -is = past
• -os = future
• -us = conditional
• -u = command / wish
• -i = infinitive

So laboras tells you the action is happening in the present.

Post usually means after.

In this sentence, it most naturally means after in time or order:

• La elektristo laboras post la tubisto.
• The electrician works after the plumber.

Depending on context, post can also sometimes mean behind in space, but with laboras and these job words, the time/order meaning is the most likely one.

The -n ending in Esperanto is mainly used for:

1. the direct object
2. motion toward something in some expressions

This sentence has:

• la elektristo = the subject
• laboras = the verb
• post la tubisto = a prepositional phrase

Because la tubisto comes after the preposition post, it does not take -n here.

So this is normal:

• La elektristo laboras post la tubisto.

Not:

• La elektristo laboras post la tubiston. ← normally wrong here

Esperanto word order is fairly flexible, but the basic order here is the most natural:

• La elektristo laboras post la tubisto.

Because there is no -n marking a direct object, moving things around too much could make the sentence sound odd or less clear. The preposition post already shows the relationship, so the meaning stays understandable, but this standard order is best for learners.

It can mean either, depending on context.

In Esperanto, the simple present tense often covers both English meanings:

• works
• is working

So laboras does not force one or the other by itself. Context tells you which sense is intended.

Elektristo is gender-neutral by default.

So la elektristo can mean:

• a male electrician
• a female electrician
• an electrician of unspecified gender

That is normal in Esperanto. If someone wants to specify gender, they can add extra words, but the basic noun itself is neutral.

It can suggest either, depending on context.

For example, it might mean:

• the electrician comes after the plumber in a sequence of work
• the electrician works once the plumber is done
• the electrician is scheduled later than the plumber

Esperanto often leaves this kind of detail to context, just as English sometimes does.

Esperanto does not need a helper word like English do/does for normal present-tense statements.

English says:

• The electrician works

Esperanto simply says:

• La elektristo laboras

The verb ending already shows that it is a finite verb in the present tense, so no extra helper is needed.