diff --git a/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java b/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java
index d87e08d6d..1b2943dc4 100644
--- a/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java
+++ b/backend/src/main/java/wooteco/prolog/roadmap/application/EssayAnswerService.java
@@ -2,6 +2,7 @@
 
 import static wooteco.prolog.common.exception.BadRequestCode.CURRICULUM_NOT_FOUND_EXCEPTION;
 import static wooteco.prolog.common.exception.BadRequestCode.ESSAY_ANSWER_NOT_FOUND_EXCEPTION;
+import static wooteco.prolog.common.exception.BadRequestCode.MEMBER_NOT_ALLOWED;
 import static wooteco.prolog.common.exception.BadRequestCode.ROADMAP_QUIZ_NOT_FOUND_EXCEPTION;
 import static wooteco.prolog.common.exception.BadRequestCode.ROADMAP_SESSION_NOT_FOUND_EXCEPTION;
 
@@ -16,6 +17,7 @@
 import wooteco.prolog.common.exception.BadRequestException;
 import wooteco.prolog.member.application.MemberService;
 import wooteco.prolog.member.domain.Member;
+import wooteco.prolog.member.domain.Role;
 import wooteco.prolog.roadmap.application.dto.EssayAnswerRequest;
 import wooteco.prolog.roadmap.application.dto.EssayAnswerSearchRequest;
 import wooteco.prolog.roadmap.application.dto.EssayAnswerUpdateRequest;
@@ -61,12 +63,19 @@ public Long createEssayAnswer(EssayAnswerRequest essayAnswerRequest, Long member
             .orElseThrow(() -> new BadRequestException(ROADMAP_QUIZ_NOT_FOUND_EXCEPTION));
 
         Member member = memberService.findById(memberId);
+        validateMemberIsCrew(member);
         EssayAnswer essayAnswer = new EssayAnswer(quiz, essayAnswerRequest.getAnswer(), member);
         essayAnswerRepository.save(essayAnswer);
 
         return essayAnswer.getId();
     }
 
+    private void validateMemberIsCrew(final Member member) {
+        if (member.hasLowerImportanceRoleThan(Role.CREW)) {
+            throw new BadRequestException(MEMBER_NOT_ALLOWED);
+        }
+    }
+
     @Transactional
     public void updateEssayAnswer(Long answerId, EssayAnswerUpdateRequest request, Long memberId) {
         EssayAnswer essayAnswer = getById(answerId);