Definition and Scope:
Injustice refers to the absence of fairness and equity, often manifesting as the violation of rights or the unfair treatment of individuals or groups. Within the biblical context, addressing injustice involves recognizing and rectifying these wrongs in accordance with God's commandments and principles.

Biblical Foundation:
The Bible consistently emphasizes God's concern for justice and His call for His people to act justly. In Micah 6:8 , it is written, "He has shown you, O man, what is good. And what does the LORD require of you but to act justly, to love mercy, and to walk humbly with your God?" This verse encapsulates the divine mandate to pursue justice as an integral part of a faithful life.

Old Testament Insights:
The Old Testament is replete with calls to address injustice. The Law given to Israel includes numerous provisions to protect the vulnerable, such as widows, orphans, and foreigners. In Deuteronomy 16:20 , the Israelites are commanded, "Pursue justice, and justice alone, so that you may live, and you may possess the land the LORD your God is giving you."

The prophets frequently denounced social injustices and called for repentance and reform. Isaiah 1:17 exhorts, "Learn to do right; seek justice and correct the oppressor. Defend the fatherless and plead the case of the widow." This prophetic call highlights the active role believers must take in confronting and correcting injustices.

New Testament Teachings:
Jesus Christ's ministry further underscores the importance of justice. In the Sermon on the Mount, He teaches, "Blessed are those who hunger and thirst for righteousness, for they will be filled" (Matthew 5:6). The term "righteousness" in this context is often understood to encompass justice, indicating a deep yearning for God's will to be done on earth.

The parable of the Good Samaritan (Luke 10:25-37) illustrates the call to love one's neighbor and act compassionately, transcending social and ethnic boundaries. This parable challenges believers to address injustice by showing mercy and taking action to help those in need.

The apostle Paul also addresses issues of justice, urging believers to live in a manner that reflects God's righteousness. In Romans 12:17-18 , he writes, "Do not repay anyone evil for evil. Carefully consider what is right in the eyes of everybody. If it is possible on your part, live at peace with everyone."

Practical Application:
Addressing injustice requires both personal and communal action. Believers are called to examine their own lives and communities, ensuring that they reflect God's justice. This involves advocating for the oppressed, supporting fair practices, and challenging systems that perpetuate inequality.

The church, as the body of Christ, is tasked with being a beacon of justice in the world. This includes engaging in social action, providing for those in need, and being a voice for the voiceless. James 1:27 states, "Pure and undefiled religion before our God and Father is this: to care for orphans and widows in their distress, and to keep oneself from being polluted by the world."

Conclusion:
The biblical mandate to address injustice is clear and compelling. It calls for a holistic approach that combines personal integrity, communal responsibility, and active engagement in the world to reflect God's justice and mercy.