geu huwonjaneun pyeongsaeng jiyeoksahoereul dowasseoyo.

후원자 means sponsor, patron, or supporter/donor, depending on context.

• 후원 = support, sponsorship, patronage
• -자 = a person who does something

So 후원자 is a person who gives support. In this sentence, it most naturally refers to a benefactor/supporter who helped the local community.

는 is the topic marker.

So 그 후원자는 means something like:

• As for that sponsor, ...
• That sponsor, ...

It tells the listener what the sentence is about.

A native English speaker often expects every subject to work like English, but in Korean, topic and subject are not always exactly the same thing. Here, 는 gives a natural topic-comment structure:

• 그 후원자는 = as for that sponsor
• 평생 지역사회를 도왔어요 = helped the local community throughout their life

If you used 그 후원자가, it would sound more like you are specifically identifying that sponsor as the one who did the action, often with a bit more contrast or focus.

그 literally often means that, but in real Korean it can also function a lot like the when referring to someone already known from context.

So 그 후원자는 could be understood as:

• that sponsor
• the sponsor (the one we have already been talking about)

Whether you translate it as that or the depends on context. Korean does not use articles the same way English does.

평생 means for one’s whole life, throughout one’s life, or all one’s life.

In this sentence, it tells you how long the helping lasted:

• 평생 지역사회를 도왔어요 = helped the local community throughout their life

It is an adverb-like noun commonly used without a particle in this kind of sentence.

Examples:

• 평생 공부했어요. = They studied all their life.
• 평생 잊지 못할 거예요. = I will never forget it for the rest of my life.

지역사회 means local community.

It is a compound noun:

• 지역 = region, local area
• 사회 = society, community

Together, 지역사회 means the local community/community of the area.

The 를 is the object marker. It shows what received the action of the verb.

So:

• 지역사회를 도왔어요 = helped the local community

You may also hear the object marker pronounced very lightly in normal speech.

This comes from the dictionary form 돕다 = to help.

돕다 is a ㅂ-irregular verb. When it is followed by a vowel-starting ending, the ㅂ changes.

The pattern is:

• 돕다 → 도와요
• past tense: 도와요 → 도왔어요

So:

• present polite: 도와요 = helps / is helping
• past polite: 도왔어요 = helped

That is why you get 도왔어요, not 돕어요.

Because the sentence is talking about something that happened over a completed period of time.

도왔어요 means helped.

Since the sentence includes 평생 (throughout one’s life), the past tense suggests that the person’s lifetime of helping is being viewed as a completed whole. In many contexts, this can imply the person is no longer living, or simply that the speaker is looking back on that whole period.

A more literal sense is:

• That sponsor helped the local community throughout their life.

도왔어요 is in the polite informal style (often called 해요체).

It is polite and very common in everyday speech, conversation, and general writing that is not highly formal.

Compare:

• 도왔다 = plain style
• 도왔어요 = polite everyday style
• 도왔습니다 = more formal polite style

So this sentence sounds polite and natural in many normal situations.

The basic Korean order here is:

Topic + time expression + object + verb

So:

• 그 후원자는 = topic
• 평생 = time/duration
• 지역사회를 = object
• 도왔어요 = verb

Korean verbs normally come at the end of the sentence.

A very literal breakdown is:

• As for that sponsor, throughout their life, the local community helped

But natural English is:

• That sponsor helped the local community throughout their life.

Yes, Korean word order is more flexible than English, especially with adverbs and time expressions.

For example, these are possible:

• 그 후원자는 평생 지역사회를 도왔어요.
• 그 후원자는 지역사회를 평생 도왔어요.

Both mean roughly the same thing.

However, the original sentence sounds very natural because 평생 appears early and clearly sets the time span for the whole action.

Not explicitly.

평생 usually refers to the lifetime of the person most naturally connected to the sentence, which here is the sponsor. So the normal interpretation is:

• The sponsor helped the local community throughout the sponsor’s life.

Korean often leaves things like his, her, or their unstated when the meaning is clear from context.

Yes. 돕다 means to help, but in context it can cover a range of support:

• giving money
• providing resources
• volunteering
• assisting in projects
• supporting people or institutions

So in this sentence, 도왔어요 does not have to mean only direct hands-on help. It can include broader support to the local community.

Yes.

• 지역 = the area/region itself
• 지역사회 = the community in that area, especially the people and social structure

So:

• 지역을 도왔어요 would sound more like helped the region/area
• 지역사회를 도왔어요 means helped the local community

Using 지역사회 makes the sentence sound more specific and socially focused.