What is the difference between Bug vs Software Tester?

Career: Bug

AspectBugSoftware Tester
RoleIdentifies and reports defects in softwareEvaluates software quality through testing and validation
CredentialsNone specific, but technical knowledge helpsOften has testing certifications or QA training
Work EnvironmentDevelopers, QA teams, or support teamsTesting labs, development teams, or remote
Industry UsageCommonly used in software development and QA

While a bug is a defect or error found in software, a software tester is responsible for systematically testing the software to find bugs. Bugs are the issues reported during testing or after deployment, whereas testers proactively seek out bugs to improve software quality.